stdlib.h

   1 #include <stddef.h>
   2
   3 #define RAND_MAX                0x7fffffff
   4
   5 void *malloc(long n);
   6 void free(void *m);
   7
   8 int atoi(char *s);
   9 long atol(char *s);
  10 int abs(int n);
  11
  12 void exit(int status);
  13 void abort(void);
  14 char *getenv(char *name);
  15 void qsort(void *a, int n, int sz, int (*cmp)(void *, void *));
  16 int mkstemp(char *t);
  17
  18 void srand(unsigned int seed);
  19 int rand(void);